-20.29% is the change from 611 to 487
Calculation steps:
[( 487 - 611 ) ÷ 611] x 100 = -20.29%
Formula
Percentage change = [(487 - 611) / 611] x 100
Subtract the new number by the original number
487 - 611 = -124
-124 ÷ 611 = -0.20294599018003273
-0.20294599018003273 x 100 = -20.29%